Is CVE-2023-29485 actively exploited?

No active exploitation of CVE-2023-29485 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-29485 be exploited remotely?

Yes. CVE-2023-29485 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-29485?

CVE-2023-29485 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-29485

CWE-306Published: December 21, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

An issue was discovered in Heimdal Thor agent versions 3.4.2 and before on Windows and 2.6.9 and before on macOS, allows attackers to bypass network filtering, execute arbitrary code, and obtain sensitive information via DarkLayer Guard threat prevention module. NOTE: Heimdal disputes the validity of this issue arguing that their DNS Security for Endpoint filters DNS traffic on the endpoint by intercepting system-generated DNS requests. The product was not designed to intercept DNS requests from third-party solutions.

NVD Source

Technical Analysis

CVE-2023-29485 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.